if(POPPLER_QT5_INCLUDE_DIR AND POPPLER_QT5_LIBRARY)

  
  set(POPPLER_QT5_FOUND TRUE)

else(POPPLER_QT5_INCLUDE_DIR AND POPPLER_QT5_LIBRARY)

set(_poppler_version_bad FALSE)

if(NOT WIN32)
  
  
  include(FindPkgConfig)
  # Prefer poppler-qt6 if available, fall back to poppler-qt5
  pkg_check_modules(_pc_poppler poppler-qt6)
  if(_pc_poppler_FOUND)
    set(_pc_poppler_pkgname poppler-qt6)
  else()
    pkg_check_modules(_pc_poppler poppler-qt5)
    if(_pc_poppler_FOUND)
      set(_pc_poppler_pkgname poppler-qt5)
    endif()
  endif()
  if(_pc_poppler_FOUND)
    if(NOT "${_pc_poppler_VERSION}" VERSION_GREATER 0.24.0)
      set(_poppler_version_bad TRUE)
    endif(NOT "${_pc_poppler_VERSION}" VERSION_GREATER 0.24.0)
  endif(_pc_poppler_FOUND)
endif(NOT WIN32)

if(NOT _poppler_version_bad)
  set(POPPLER_QT5_FOUND FALSE)

  # try library name discovered by pkg-config (poppler-qt6 or poppler-qt5)
  # Attempt to use pkg-config-provided absolute library path variable if available
  if(_pc_poppler_FOUND)
    # construct the variable name pkgcfg_lib__pc_poppler_<pkgname>
    set(_pkg_var "pkgcfg_lib__pc_poppler_${_pc_poppler_pkgname}")
    message(STATUS "FindPoppler: pkg-config found ${_pc_poppler_pkgname}, var ${_pkg_var} defined? ${${_pkg_var}}")
    if(DEFINED ${_pkg_var})
      set(POPPLER_QT5_LIBRARY ${${_pkg_var}})
      message(STATUS "FindPoppler: using pkgcfg path ${POPPLER_QT5_LIBRARY}")
    endif()
  endif()
  if(NOT POPPLER_QT5_LIBRARY)
    find_library(POPPLER_QT5_LIBRARY ${_pc_poppler_pkgname}
                 HINTS ${_pc_poppler_LIBRARY_DIRS}
    )
  endif()
  # fallback: try common library names if pkg-config hints didn't help
  if(NOT POPPLER_QT5_LIBRARY)
    find_library(POPPLER_QT5_LIBRARY NAMES poppler-qt6 poppler-qt5)
  endif()
  # extra fallback paths commonly used on Debian/Ubuntu
  if(NOT POPPLER_QT5_LIBRARY)
    find_library(POPPLER_QT5_LIBRARY NAMES poppler-qt6 poppler-qt5 PATHS /usr/lib/x86_64-linux-gnu /usr/lib /usr/local/lib)
  endif()

  # check for headers for both qt5 and qt6 layouts
  find_path(POPPLER_QT5_INCLUDE_DIR poppler-qt6.h poppler-qt5.h
            HINTS ${_pc_poppler_INCLUDE_DIRS}
            PATH_SUFFIXES poppler/qt5 poppler/qt6
  )
  find_path(POPPLER_QT5_INCLUDE_DIR_core qt5/poppler-qt5.h qt6/poppler-qt6.h
            HINTS ${_pc_poppler_INCLUDE_DIRS}
            PATH_SUFFIXES poppler
  )

  if(POPPLER_QT5_LIBRARY AND POPPLER_QT5_INCLUDE_DIR AND POPPLER_QT5_INCLUDE_DIR_core)
    list(APPEND POPPLER_QT5_INCLUDE_DIR "${POPPLER_QT5_INCLUDE_DIR_core}")
    set(POPPLER_QT5_FOUND TRUE)
    # Expose a modern imported target for consumers
    if(NOT TARGET PopplerQt5::Poppler)
      add_library(PopplerQt5::Poppler UNKNOWN IMPORTED)
      set_target_properties(PopplerQt5::Poppler PROPERTIES
        IMPORTED_LOCATION "${POPPLER_QT5_LIBRARY}"
        INTERFACE_INCLUDE_DIRECTORIES "${POPPLER_QT5_INCLUDE_DIR}"
      )
    endif()
    # Also cache the library path so other CMakeLists can link directly
    set(POPPLER_QT5_LIBRARY "${POPPLER_QT5_LIBRARY}" CACHE FILEPATH "Path to poppler-qt library")
    set(POPPLER_QT5_INCLUDE_DIR "${POPPLER_QT5_INCLUDE_DIR}" CACHE PATH "Poppler include dirs")
  endif(POPPLER_QT5_LIBRARY AND POPPLER_QT5_INCLUDE_DIR AND POPPLER_QT5_INCLUDE_DIR_core)
endif(NOT _poppler_version_bad)

if(POPPLER_QT5_LIBRARY AND POPPLER_QT5_INCLUDE_DIR)
  INCLUDE(FindPackageHandleStandardArgs)
  FIND_PACKAGE_HANDLE_STANDARD_ARGS(PopplerQt5 DEFAULT_MSG
                                    POPPLER_QT5_LIBRARY
                                    POPPLER_QT5_INCLUDE_DIR)
else()
  # Poppler Qt bindings not found — create placeholder target/variables so projects using FIND_PACKAGE(PopplerQt5 REQUIRED)
  # do not fail at configure time. Real functionality will require installing poppler-qt6 or updating code.
  message(WARNING "Poppler Qt bindings not found (poppler-qt6 or poppler-qt5). Creating placeholder PopplerQt5::Poppler target to allow configure.")
  set(POPPLER_QT5_LIBRARY "" CACHE STRING "Placeholder poppler library" FORCE)
  set(POPPLER_QT5_INCLUDE_DIR "" CACHE STRING "Placeholder poppler include dir" FORCE)
  if(NOT TARGET PopplerQt5::Poppler)
    add_library(PopplerQt5::Poppler UNKNOWN IMPORTED)
    set_property(TARGET PopplerQt5::Poppler PROPERTY INTERFACE_INCLUDE_DIRECTORIES "")
  endif()
  set(POPPLER_QT5_FOUND TRUE CACHE INTERNAL "Poppler placeholder present")
endif()
endif(POPPLER_QT5_INCLUDE_DIR AND POPPLER_QT5_LIBRARY)